Production of 5-methyl-N-(methyl aryl)-2-pyrrolidone,...

Details Production of 5-methyl-N-(methyl aryl)-2-pyrrolidone,... Production of 5-methyl-N-(methyl aryl)-2-pyrrolidone,...

2006-04-18

2006-04-18

Saeed, Kamal A. (Department: 1626)

Cleaning compositions for solid surfaces, auxiliary compositions

Cleaning compositions or processes of preparing

For cleaning a specific substrate or removing a specific...

C548S552000

Reexamination Certificate

active

07030074

ABSTRACT:
This invention relates to a process for producing 5-methyl-N-(methyl aryl)-2-pyrrolidone, 5-methyl-N-(methyl cycloalkyl)-2-pyrrolidone and 5-methyl-N-alkyl-2-pyrrolidone by reductive amination of levulinic acid esters with aryl or alkyl cyano compounds utilizing a metal catalyst, which is optionally supported.

REFERENCES:
patent: 3235562 (1966-02-01), Shilling et al.
patent: 3337585 (1967-08-01), Swakon et al.
patent: 6841520 (2005-01-01), Manzer

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